PERFECT UVA UVB BULB FOR YOUR PETS: UVA bulbs simulate UVA rays in the natural light spectrum. It can provide a hot spot temperature for the reptile environment. SELF-BALLASTED - Our daylight bulb have Self-Ballasted, no external ballast required, and is compatible with a variety of enclosures, including terrariums, habitat tanks, vivarium, pet cages, and more. Initially, the light is very dim and pale colored; After 15 minutes, this light will illuminate brightly. Please let the bulb cool down in 15 minutes when you restart the bulb. INPUT VOLTAGE: AC 110-120V, Power: 160 Watts, Full size: diameter 4.5inch x height 6.1inch A FULL SPECTURM LIGHT REPTILE BULB - This reptile light lamp designed with increased UVB penetration distance (+30cm / 12inch), promotes the synthesis of vitamin D3, enhance reptile appetite and stimulate reptile reproduction. EASY TO INSTALL:The heat lamp bulb for Reptiles is simple and easy to install, just screw it into a standard E26 screw socket.Reptile bulbs are fragile glass products. There may be damage during transportation. If this happens or any problem with our product, please feel free to contact us NOTE: Keep out reach of children. Heater is hot while in operation, DO NOT touch by hand. Please do not remove the bulb immediately when the power is off, avoiding hot hands. Before remove it from fixture, please allow at least 30 min to cool down